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Explain RS232C Standard.
RS232C:
1. Standard described for asynchronous communications where there is given timing among data bits and no fixed timing among the characters which the bits form.
2. This standard described 25 signal lines and 50ft is the maximum guaranteed distance
3. This standard explains a ser system with only a single wire all direction.
4. Signal levels are: from -25 to -3 and from +3 to +25V.
Explain modes of operation of programmable interval timer 8254. Mode 0 - Interrupt upon terminal count Mode 1 - Programmable one-shot Mode 2 - Rate Generator Mode 3 -
Explain RS422A standard. RS422A: 1. Date Rate: 10 Mbits per second 2. Driving capability up to 4000ft and 10 receivers 3. This is Differential standard that is- a
(a) Design a passive high pass filter that has a maximally flat response with a 50 Ω resistive load. Assume that the cut-off frequency is 40 kHz and that at a frequency of 25 kHz,
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A Capacitor-Fed, Voltage-Step-Down, Single-Phase, Non-Isolated Rectifier
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Mention the categories of instruction and give two examples for each category The instructions of 8085 can be categorized into the following five Data transfer MOV Rd,Rs
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Calculate the mechanical speed of rotar: An asynchronous machine of 460V, 25hp, 4 poles with rotor wound in Y has the following data (of the side stator): Resistance of the
Q. Consider a reverse-biased diode with a source voltage VB in series with a load resistance RL. Write the KVL equation for the circuit.
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